1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16//
17// Protocol buffer for Chrome UMA (User Metrics Analysis).
18//
19// Note: this protobuf must be compatible with the one in chromium.
20
21syntax = "proto2";
22
23option optimize_for = LITE_RUNTIME;
24option java_outer_classname = "ChromeUserMetricsExtensionProtos";
25option java_package = "org.chromium.components.metrics";
26
27package metrics;
28
29import "system/core/metricsd/uploader/proto/histogram_event.proto";
30import "system/core/metricsd/uploader/proto/system_profile.proto";
31import "system/core/metricsd/uploader/proto/user_action_event.proto";
32
33// Next tag: 13
34message ChromeUserMetricsExtension {
35  // The product (i.e. end user application) for a given UMA log.
36  enum Product {
37    // Google Chrome product family.
38    CHROME = 0;
39  }
40  // The product corresponding to this log. The field type is int32 instead of
41  // Product so that downstream users of the Chromium metrics component can
42  // introduce products without needing to make changes to the Chromium code
43  // (though they still need to add the new product to the server-side enum).
44  // Note: The default value is Chrome, so Chrome products will not transmit
45  // this field.
46  optional int32 product = 10 [default = 0];
47
48  // The id of the client install that generated these events.
49  //
50  // For Chrome clients, this id is unique to a top-level (one level above the
51  // "Default" directory) Chrome user data directory [1], and so is shared among
52  // all Chrome user profiles contained in this user data directory.
53  // An id of 0 is reserved for test data (monitoring and internal testing) and
54  // should normally be ignored in analysis of the data.
55  // [1] http://www.chromium.org/user-experience/user-data-directory
56  optional fixed64 client_id = 1;
57
58  // The session id for this user.
59  // Values such as tab ids are only meaningful within a particular session.
60  // The client keeps track of the session id and sends it with each event.
61  // The session id is simply an integer that is incremented each time the user
62  // relaunches Chrome.
63  optional int32 session_id = 2;
64
65  // Information about the user's browser and system configuration.
66  optional SystemProfileProto system_profile = 3;
67
68  // This message will log one or more of the following event types:
69  repeated UserActionEventProto user_action_event = 4;
70  repeated HistogramEventProto histogram_event = 6;
71
72}
73